Jetta L4-2.0L (AEG) (2000)
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Check wire between 4-pin harness connector terminal -1- and Fuel Pump (FP) relay -J17- for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
Aging Check
Oxygen sensor 1 aging, checking
Special tools and equipment
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V.A.G1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
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VAG1788/10 engine speed adjuster
Test conditions
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Coolant temperature at least 85°C. See display group 04, display field 3
Functional check
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Connect VAG1551 (VAG1552) Scan Tool (ST). See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool
Connecting
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Switch ignition on and press buttons -0- and -1- to insert "Engine Electronics" address word 01. Engine must be running at idle when performing
this step.
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -4- to select "Basic Setting" function 04 and press -Q- button to confirm input.
Indicated on display
Basic setting